It is used by Luigi hurling bombs at Mario, by flicking the right. Then Mario whacks them with his hammer by pressing . Mario finishes the attack by hitting the final bomb, which is larger than the others, but the the damage is still the same. If the action take too long and the bombs left in Luigi's hand will all explode. Hitting 5, 7, 9 and 12 bombs will result in a "OK!", "Good!", "Great!" and "Excellent!" rating respectively.